[Rtai] RTAI with a Cortex A8 processor

[Torsten Koschorrek]

marc doz wrote:
> Hi,
> I can modify the makefile to continue the process.

Which 'll do for the moment.

> It seems that it check also the directory rtai-3.8/base/include/asm-arm/ .
> So I will start with these files.
> Do you have a list of file which are specific and necessary  with adeos and
> without adeos.
>

No list, but two directories:
<rtai-path>/base/arch/arm/
<rtai-path>/base/include/asm-arm/

> regards,
> marc
> 2010/8/17 marc doz<doz.marc at gmail.com>
>
>> Hi,
>> I am a novice. I would like to use RTAI with a Cortex A8 processor embedded
>> in the AM3517 of TI. My developement card is the AM3517 EVM.
>>
>> This is my current method :
>> * I used the 2.6.32 kernel because TI delivers this kernel with patch for
>> AM3517.
>> * I patched the kernel with adeos-ipipe-2.6.33-arm-1.17-02.patch
>> It seems that it compiles and runs with the target correctly afterward some
>> minor adjustements.
>> * I tested with RTAI 3.8.
>>
>> I Have some questions :
>> - Is adeos is sufficient to produce an hardware abstract layer ? must I
>> port a part of RTAI ?

The kernel has to be patched similar to the x86 patches (adeos patch + 
RTAI modifications). RTAI has to be ported, too.

>> - when I compile RTAI , I get this message when my kernel is configured for
>> ARM .
>>
>> make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- menuconfig
>>
>> checking for gcc version>= 3.3... ok
>> checking for RTAI target architecture...
>> ******************************************
>> Unsupported ARM sub-architecture -- Sorry.
>> ******************************************
>>
>> I have also gotten  this message with a vanilla kernel.
>> Do you have a solution ?
>>

You seem to have figured it out yourself!

>> Best regard,
>> regards
>> Marc

Torsten